Roil Elemental Landfall triggers that make creatures are great, so how good must it be to steal theme
In MTG Arena, I have to open 4 copies of a common before I can make progress towards the Vault, which is Arenas equivalent of disenchanting
In this deck, youll want a lot of good 1-drops like Ragavan, Nimble Pilferer and Monastery Swiftspear, burn spells like Fireblast, Lightning Bolt, and Lava Spike, or ways to close the game like Headliner Scarlett and Pyrogoyf
One extra plays around a removal spell, but you might want to throw away an extra bird if they have a pump spell
This is why there is such a premium on flying and unblockable creatures - they are hard to kill in combat, the #1 way to kill creatures in sealed and draft